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SIZIF [17.4K]
2 years ago
11

Two numbers have a sum of 49, and 4 TIMES the first number MINUS the second number is EQUAL to 141. What are the two numbers?

Mathematics
1 answer:
Annette [7]2 years ago
3 0

Answer:

I got 38 and 11

Step-by-step explanation:

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4x+2y=10 <br> X-y=13 <br> Write in (x,y)
Bad White [126]

Answer:

(x = 6, y = -7)

Step-by-step explanation:

Solve the following system:

{4 x + 2 y = 10 | (equation 1)

x - y = 13 | (equation 2)

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{4 x + 2 y = 10 | (equation 1)

0 x - (3 y)/2 = 21/2 | (equation 2)

Divide equation 1 by 2:

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Multiply equation 2 by 2/3:

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Subtract equation 2 from equation 1:

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Divide equation 1 by 2:

{x+0 y = 6 | (equation 1)

0 x+y = -7 | (equation 2)

Collect results:

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Step-by-step explanation:

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